COMBAT LIFE SAVING Flashcards
Shock can be the result of
a significant blood loss, heart failure, severe and painful blows to the body, burns, severe wounds that become infected, a severe allergic reaction to drugs or certain foods, certain insect bites, snakebites, or dehydration.
What are Signs and Symptoms of Shock
Sweaty but cool skin. Pale skin. Restlessness, nervousness. Thirst. Loss of blood (caused by internal or external bleeding). Confusion or loss of awareness. Faster than normal breathing rate. Blotchy or bluish skin (especially around the mouth and lips). Nausea and vomiting.
The body can bleed out in how many seconds
60-120 seconds
The causes of hemorrhagic shock are
external loss of whole blood, an internal hemorrhage or an extreme loss of plasma due to severe burns.
In the field, the procedures followed to treat for shock are identical to
procedures that would be performed to prevent shock
How to treat for shock
Move the casualty to cover if the situation requires and permits.
Position the casualty on his or her back. Do not move the casualty or his or her limbs if suspected fractures have not been splinted.
Elevate the casualty’s feet higher than the level of the heart.
Loosen clothing at the neck, waist or wherever it may be binding
Prevent chilling or overheating
Calm the casualty
During the treatment or prevention of shock, do not give the casualty any food or drink. If the casualty is unconscious, turn his or her head to the side so that, in case he or she vomits, the victim will not choke on the vomit.
What are two types of soft tissue injuries
closed wounds (in which the skin is not broken) and open wounds (in which the skin is broken.)
Closed wounds are commonly caused by
blunt objects striking the body with sufficient force to crush the tissues beneath the skin
Contusions are characterized by
swelling and pain, caused by the blood leaking into the wound. This “leaking blood” will cause the characteristic black and blue marks
An open wound is any wound in which
the surface of the skin has been broken
Open wounds may be classified as
abrasions, lacerations, incisions, or puncture wounds
What is an abrasion
abrasion is a loss of a portion of the epidermis and part of the dermas from its being rubbed or scraped across a hard surface. It is extremely painful, and blood may ooze from injured capillary vessels at the surface. It does not penetrate completely through the skin.
What is a laceration
A laceration is a cut produced by glass, metal, or any other object that may leave a jagged wound on the skin surface and cut through the subcutaneous tissue, the underlying muscles, associated nerves, and blood vessels
What is an incision
An incision is similar to a laceration, except that the wound will be somewhat “cleaner,” having no jagged edges
Puncture wounds may result from what
a stab with a knife, nail, ice pick, splinter, or any other pointed object. They may also result from gunshot injuries
Treatment of Open Wounds is
Control the bleeding by direct pressure, pressure points, or as a last resort, a tourniquet.
Prevent contamination with a sterile dressing.
Aside from serious blood loss, the danger of infection from an open wound should be your principal concern. The field dressing carried by every Marine in the field consists of two parts: a sterile dressing and a bandage to hold the dressing snugly in place
When direct pressure is not required, do not apply the bandage too tightly, as the blood supply to the lower extremities may be restricted.
Do not apply the bandage too loosely (the most common error), because it will not hold the dressing in place. The bandage must be applied snugly, as it will stretch over time.
When bandaging extremities, leave fingers and toes exposed so that color changes may be noted. Pain, pale skin, numbness and tingling all indicate poor circulation, potentially due to constricting bandages.
Immobilize and elevate the injured part in the event of serious bleeding, providing it will not aggravate other injuries. (Procedures on immobilization will be covered in follow-on instruction).
Types of Special wounds are
avulsions, crushing wounds, and amputations
An avulsion is what
an injury in which a whole piece of skin with varying portions of tissue or muscle is either torn loose completely or left hanging as a flap.
Crushing wounds are what
contusions that are more severe, as the underlying skeletal support is also damaged. Crushing wounds may or may not be characterized by open skin.
Traumatic amputations may be caused by what
explosions, sharp objects, or by separations. An amputation is characterized by the separation of either digits (fingers, toes, etc.) or limbs from the victim’s body.
The primary symptom of an open or “sucking” chest wound is
a hole in the chest wall
Symptoms of an Open Chest Wound are
Pain at the site of the injury.
Pain that is aggravated by or occurs with breathing, localized around the site of an injury in the chest.
Dyspnea (difficulty or pain with breathing).
Failure of one or both sides of the chest to expand normally when inhaling.
A rapid, weak pulse and low blood pressure.
Cyanosis (discoloration) of the lips, fingertips, or fingernails
Treatment of an Open Chest wound is
Use a field dressing plastic wrapper.
Tear open one end of the plastic wrapper covering the field dressing. Be careful not to destroy the wrapper.
Remove the inner packet (field dressing).
Tear open the empty plastic wrapper and create a flat surface, using as much of the wrapper as possible.
Place wrapper over wound. Place the inside surface of the plastic wrapper directly over the open chest wound as the casualty exhales and hold in place.
Apply dressing to the wound.
Using the free hand, shake open the field dressing and place the white side of the dressing directly over the plastic wrapper covering the open wound, holding it securely in place to create an airtight dressing.
Place casualty on injured side. Position the casualty on his injured side or in a sitting position, whichever makes breathing easier.
Make the victim warm and evacuate as soon as possible.
Once a casualty is treated for an open chest wound, a condition known as what may develop
tension pneumothorax
Tension pneumothorax is the 2nd leading cause of what
preventable death on the battlefield